* [PATCH] powerpc/kasan: Fix shadow start address with modules
@ 2021-04-24 10:34 Christophe Leroy
2021-04-29 14:01 ` Michael Ellerman
0 siblings, 1 reply; 2+ messages in thread
From: Christophe Leroy @ 2021-04-24 10:34 UTC (permalink / raw)
To: Benjamin Herrenschmidt, Paul Mackerras, Michael Ellerman
Cc: linux-kernel, linuxppc-dev
Modules are now located before kernel, KASAN area has to
be extended accordingly.
Fixes: 80edc68e0479 ("powerpc/32s: Define a MODULE area below kernel text all the time")
Fixes: 9132a2e82adc ("powerpc/8xx: Define a MODULE area below kernel text")
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
arch/powerpc/include/asm/kasan.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/powerpc/include/asm/kasan.h b/arch/powerpc/include/asm/kasan.h
index 7355ed05e65e..3c478e5ef24c 100644
--- a/arch/powerpc/include/asm/kasan.h
+++ b/arch/powerpc/include/asm/kasan.h
@@ -19,7 +19,7 @@
#define KASAN_SHADOW_SCALE_SHIFT 3
-#if defined(CONFIG_PPC_BOOK3S_32) && defined(CONFIG_MODULES) && defined(CONFIG_STRICT_KERNEL_RWX)
+#ifdef CONFIG_MODULES
#define KASAN_KERN_START ALIGN_DOWN(PAGE_OFFSET - SZ_256M, SZ_256M)
#else
#define KASAN_KERN_START PAGE_OFFSET
--
2.25.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] powerpc/kasan: Fix shadow start address with modules
2021-04-24 10:34 [PATCH] powerpc/kasan: Fix shadow start address with modules Christophe Leroy
@ 2021-04-29 14:01 ` Michael Ellerman
0 siblings, 0 replies; 2+ messages in thread
From: Michael Ellerman @ 2021-04-29 14:01 UTC (permalink / raw)
To: Michael Ellerman, Benjamin Herrenschmidt, Christophe Leroy,
Paul Mackerras
Cc: linux-kernel, linuxppc-dev
On Sat, 24 Apr 2021 10:34:43 +0000 (UTC), Christophe Leroy wrote:
> Modules are now located before kernel, KASAN area has to
> be extended accordingly.
Applied to powerpc/next.
[1/1] powerpc/kasan: Fix shadow start address with modules
https://git.kernel.org/powerpc/c/30c400886bad4ac1801516683b71d7714bc2b1b1
cheers
^ permalink raw reply [flat|nested] 2+ messages in thread
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